from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An annual Mediterranean plant (Erodium cicutarium) having pinnately dissected leaves and small pink or purple flowers. It is a widespread weed and is used for spring forage in the western United States. Also called filaree, pin clover.
from the GNU version of the Collaborative International Dictionary of English
- n. The pin grass (Erodium cicutarium), a weed in California.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight up; often grown for forage
American Spanish alfilerillo, a cactus with leaves ending in sharp points, from Spanish, diminutive of alfiler, pin, from Arabic al-ḫilāl, the thorn : al-, the + ḫilāl, thorn (from ḫalla, to pierce; see ḫll in Semitic roots).(American Heritage® Dictionary of the English Language, Fourth Edition)